irrlicht/source/Irrlicht/OpenGL3/Driver.cpp
2023-04-18 23:22:53 +02:00

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// Copyright (C) 2023 Vitaliy Lobachevskiy
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in Irrlicht.h
#include "Driver.h"
namespace irr {
namespace video {
E_DRIVER_TYPE COpenGL3Driver::getDriverType() const {
return EDT_OPENGL3;
}
OpenGLVersion COpenGL3Driver::getVersionFromOpenGL() const {
GLint major, minor, profile;
glGetIntegerv(GL_MAJOR_VERSION, &major);
glGetIntegerv(GL_MINOR_VERSION, &minor);
glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &profile);
// The spec is clear a context cant be both core and compatibility at the same time.
// However, the returned value is a mask. Ask Khronos why. -- numzero
if (profile & GL_CONTEXT_COMPATIBILITY_PROFILE_BIT)
return {OpenGLSpec::Compat, (u8)major, (u8)minor, 0};
if (profile & GL_CONTEXT_CORE_PROFILE_BIT)
return {OpenGLSpec::Core, (u8)major, (u8)minor, 0};
os::Printer::log("Got unrecognized OpenGL profile", ELL_ERROR);
return {OpenGLSpec::Core, (u8)major, (u8)minor, 0};
}
IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager)
{
os::Printer::log("Using COpenGL3Driver", ELL_INFORMATION);
COpenGL3Driver* driver = new COpenGL3Driver(params, io, contextManager);
driver->genericDriverInit(params.WindowSize, params.Stencilbuffer); // don't call in constructor, it uses virtual function calls of driver
return driver;
}
}
}